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PROPYLENE IMINE†
| CAS # | 75-55-8 |
|---|---|
| Formula |
C₃H₇N |
| Synonyms |
2-methylaziridine; 2-methylethyleneimine; propyleneimine; propylene imine (inhibited); propylenimine |
| Physical description | Colorless, oily liquid with an ammonia-like odor. | ||
|---|---|---|---|
| Boiling point | 152°F | Molecular weight | 57.11 |
| Freezing point/melting point | -85°F | Vapor pressure | 112 mmHg |
| Flash point | 25°F | Vapor density | 2 |
| Specific gravity | 0.8039-0.807 at 77°F | Ionization potential | 9.00 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 3 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |
|---|---|
| Sampling group | |
| Sampler/Sampling media | |
| Sampling time* |
|
| Sampling volume (TWA)* |
|
| Sampling flow rate (TWA)* |
|
| Sampling volume (STEL/Peak/C)* |
|
| Sampling flow rate (STEL/Peak/C)* |
|
| Analytical method instruments | |
| Method reference | |
| Notes |
|
| Special requirements |
|
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media |
|
|---|---|
| Bulk Method |
|
| Device | Detector tube |
|---|---|
| Model/Type | Gastec 180 |
|
Sampling information (see manufacturer instructions) |
1-60 ppm range |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
2 ppm (5 mg/m³) |
REL-TWA |
2 ppm (5 mg/m³) |
TLV-TWA |
0.2 ppm [2008] |
PEL-TWA |
2 ppm (5 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
0.4 ppm [2008] |
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: |
Notes:
CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens. |
Notes:
|
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
100 ppm |
|||||
| Carcinogenic classifications: IARC-2B, NIOSH-Ca, NTP-R, TLV-A3 |
Notes:
Ca |
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|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Propyleneimine, stabilized NIOSH: Pocket Guide to Chemical Hazards - Propylene imine Literature References
|
Last Updated Date : 01/11/2021